E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Invisibility,
according to fable, may be obtained in a multitude of ways. For example:
1
Albrics cloak, called Tarnkappe (3 syl.), which Siegfried got possession of, rendered him invisible. (Nibelungen Lied.)
2
A chamelon carried in the breast will render a person invisible.
3
A capon stone, called Alectora, will render any person invisible who carries it about his person. (See MIRROR OF STONES.)
4
A dead hand. It is believed that a candle placed in a dead mans hand
gives no light to any but those who use it. (See HAND.)
5
Fern-seed, mentioned by Shakespeare, and by Beaumont and Fletcher, possesses the same charm.
6
Gyges ring, taken from the flanks of a brazen horse, made the wearer invisible, provided he turned the ring inwards.
7
Heliotrope, mentioned by Boccaccio in his Decamron (Day viii. 3), is a green stone, which renders a person invisible. So does the herb called heliotrope, according to Solnus, who says, Herba etiam ejusdem nomnis cum, a quocumque gestabtur, subtrahit visibus obvirum. (Georgic, xl.)
8
The helmet of Perseus (2 syl.) and the helmet of Pluto (called Orci Gala), both rendered the wearer invisible. (Classic story.)
9
The helmet which Pluto gave to the Cyclops made them invisible whenever it was worn.
10
Jack the Giant-killer had a cloak of invisibility as well as a cap of knowledge.
11
Kepleins mantle. The mantle of Hel Keplein, which belonged to the dwarf-king Laurin, rendered the wearer invisible. (The Heldenbuch; thirteenth century.)
12
The Moros Musphoron was a girdle of invisibility. (Mrs. Centlivre: A Bold Stroke for a Wife.)
13
Otnits ring. The ring of Otnit, King of Lombardy, according to the Heldenbuch, possessed a similar charm.
14
Reynards wonderful ring had three colours, one of which (the green) caused the wearer to become invisible. (Reynard the Fox, 1498.)